Word Puzzle

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Across
  1. 4. a half of a circle or of its circumference.
  2. 5. a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point.
  3. 11. is the value that occurs most often.
  4. 12. is a combination of two rays (half-lines) with a common endpoint.
  5. 14. is an equation that results from reducing the number of roots in a given equation with one unknown by dividing the original equation by the difference of the unknown and a root.
  6. 16. a straight line from the center to the circumference of a circle or sphere.
  7. 19. a sequence of numbers or letters used to open a combination lock. union two sets is everything in both sets. For example if you have the set {3,4,5} and the set {5,6,7}, then the un
  8. 20. the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
  9. 21. is a portion of the circumference of a circle. In the figure above, the arc is the blue part of the circle.
  10. 22. is either a single number or variable, or numbers and variables multiplied together.
  11. 24. denoting or relating to a value or quantity lying at the midpoint of a frequency distribution of observed values or quantities, such that there is an equal probability of falling above or below it.
Down
  1. 1. a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center).
  2. 2. are those whose graph is a straight line.
  3. 3. is the average of the numbers: a calculated "central" value of a set of numbers.
  4. 6. is the ratio between two numbers in a geometric sequence.
  5. 7. A line that intersects two or more points on a curve.
  6. 8. a circle is a straight line segment whose endpoints both lie on the circle.
  7. 9. It is a function whose domain is the finite set or infinite set.
  8. 10. A ∩ B of two sets A and B is the set that contains all elements of A that also belong to B (or equivalently, all elements of B that also belong to A), but no other elements.
  9. 13. is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.
  10. 15. a statement that the values of two mathematical expressions are equal (indicated by the sign =).
  11. 17. is an arc of a circle having measure less than or equal to ( radians).
  12. 18. is the study of topics such as quantity (numbers)
  13. 23. arc is an arc of a circle having measure greater than or equal to ( radians).